1017741130745 has 4 divisors (see below), whose sum is σ = 1221289356900. Its totient is φ = 814192904592.

The previous prime is 1017741130741. The next prime is 1017741130751. The reversal of 1017741130745 is 5470311477101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 318182861929 + 699558268816 = 564077^2 + 836396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1017741130745 - 2² = 1017741130741 is a prime.

It is a super-4 number, since 4×1017741130745⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1017741130741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101774113070 + ... + 101774113079.

It is an arithmetic number, because the mean of its divisors is an integer number (305322339225).

Almost surely, 2^{1017741130745} is an apocalyptic number.

It is an amenable number.

1017741130745 is a deficient number, since it is larger than the sum of its proper divisors (203548226155).

1017741130745 is an equidigital number, since it uses as much as digits as its factorization.

1017741130745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203548226154.

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 1017741130745 in words is "one trillion, seventeen billion, seven hundred forty-one million, one hundred thirty thousand, seven hundred forty-five".